[PATCH] D126451: [Clang][CSKY] Add support about CSKYABIInfo

[Zixuan Wu via Phabricator via cfe-commits]

zixuan-wu created this revision.
zixuan-wu added reviewers: rengolin, DavidSpickett.
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According to the CSKY ABIv2 document <https://github.com/c-sky/csky-doc/blob/master/C-SKY_V2_CPU_Applications_Binary_Interface_Standards_Manual.pdf>, construct the ABIInfo to handle argument passing and return of clang data type. It also includes how to emit and expand VAArg intrinsic.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D126451

Files:
  clang/lib/CodeGen/TargetInfo.cpp
  clang/test/CodeGen/CSKY/csky-abi.c
  clang/test/CodeGen/CSKY/csky-hard-abi.c

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